Home / 53,811.80-74,260.27-29,938.47

Finding the Fourth Proportional to 53,811.80, 74,260.27 and 29,938.47

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Solution

The fourth proportional to 53,811.80, 74,260.27 and 29,938.47 is: 41,315.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,811.80 : 74,260.27 = 29,938.47 : x
  2. Step 2: Convert to fraction form
    53,811.80/74,260.27 = 29,938.47/x
  3. Step 3: Cross multiply
    53,811.80x = 74,260.27 × 29,938.47
  4. Step 4: Simplify right side
    53,811.80x = 2,223,238,344.59
  5. Step 5: Solve for x
    x = 2,223,238,344.59/53,811.80
  6. Step 6: Final answer
    x = 41,315.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.